1201200220220 has 96 divisors (see below), whose sum is σ = 3386880677376. Its totient is φ = 345600057600.

The previous prime is 1201200220193. The next prime is 1201200220273. The reversal of 1201200220220 is 220220021021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1201200220195 and 1201200220204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29979986 + ... + 30020025.

It is an arithmetic number, because the mean of its divisors is an integer number (35280007056).

Almost surely, 2^{1201200220220} is an apocalyptic number.

1201200220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201200220220 is an abundant number, since it is smaller than the sum of its proper divisors (2185680457156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201200220220 is a wasteful number, since it uses less digits than its factorization.

1201200220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60000051 (or 60000049 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1201200220220 its reverse (220220021021), we get a palindrome (1421420241241).

The spelling of 1201200220220 in words is "one trillion, two hundred one billion, two hundred million, two hundred twenty thousand, two hundred twenty".